<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .demoColor {
            color: blue;
        }
    </style>
</head>
<body>
    <div id="root"></div>
    <script src="./vue3基础源码/vue3.js"></script>
    <script>
        const app = Vue.createApp({
            data(){
                return {
                    // divStyle:{
                    //     color:'orange',
                    //     background:"red"
                    // }
                    divStyle:"background:red"

                }
            },
            template:`
                <div :style="divStyle">
                    <demo class="demoColor"/>
                </div>`
        });
        app.component("demo",{
            template:`
                <div :style="$attrs.style">div1</div>
                <div>div2</div>
            `
        })
        const vm = app.mount("#root");
    </script>
</body>
</html>